2126363378 has 16 divisors (see below), whose sum is σ = 3428853120. Its totient is φ = 985793616.

The previous prime is 2126363329. The next prime is 2126363381. The reversal of 2126363378 is 8733636212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 593501 + ... + 597072.

It is an arithmetic number, because the mean of its divisors is an integer number (214303320).

Almost surely, 2^2126363378 is an apocalyptic number.

2126363378 is a deficient number, since it is larger than the sum of its proper divisors (1302489742).

2126363378 is a wasteful number, since it uses less digits than its factorization.

2126363378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190641.

The product of its digits is 217728, while the sum is 41.

The square root of 2126363378 is about 46112.5078259684. The cubic root of 2126363378 is about 1285.9156878228.

The spelling of 2126363378 in words is "two billion, one hundred twenty-six million, three hundred sixty-three thousand, three hundred seventy-eight".